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authorNicolin Chen <nicoleotsuka@gmail.com>2014-07-29 12:08:53 +0200
committerMark Brown <broonie@linaro.org>2014-07-29 20:22:49 +0200
commit3117bb3109dc223e186302f5dc8ce9ed04adca90 (patch)
tree35f65b00d2361c37d158f31a8ae1707975aaf1cc /sound/soc/fsl/Kconfig
parentARM: imx: Add the secondary request into the structure for imx-sdma (diff)
downloadlinux-3117bb3109dc223e186302f5dc8ce9ed04adca90.tar.xz
linux-3117bb3109dc223e186302f5dc8ce9ed04adca90.zip
ASoC: fsl_asrc: Add ASRC ASoC CPU DAI and platform drivers
The Asynchronous Sample Rate Converter (ASRC) converts the sampling rate of a signal associated with an input clock into a signal associated with a different output clock. The driver currently works as a Front End of DPCM with other Back Ends DAI links such as ESAI<->CS42888 and SSI<->WM8962 and SAI. It converts the original sample rate to a common rate supported by Back Ends for playback while converts the common rate of Back Ends to a desired rate for capture. It has 3 pairs to support three different substreams within totally 10 channels. Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com> Reviewed-by: Varka Bhadram <varkabhadram@gmail.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/fsl/Kconfig')
-rw-r--r--sound/soc/fsl/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
index 37933629cbed..56fd32b3a881 100644
--- a/sound/soc/fsl/Kconfig
+++ b/sound/soc/fsl/Kconfig
@@ -2,6 +2,15 @@ menu "SoC Audio for Freescale CPUs"
comment "Common SoC Audio options for Freescale CPUs:"
+config SND_SOC_FSL_ASRC
+ tristate "Asynchronous Sample Rate Converter (ASRC) module support"
+ select REGMAP_MMIO
+ help
+ Say Y if you want to add Asynchronous Sample Rate Converter (ASRC)
+ support for the Freescale CPUs.
+ This option is only useful for out-of-tree drivers since
+ in-tree drivers select it automatically.
+
config SND_SOC_FSL_SAI
tristate "Synchronous Audio Interface (SAI) module support"
select REGMAP_MMIO